In a survey the term ‘Quality’ is often used in a general way in data processing

Question

In a survey the term ‘Quality’ is often used in a general way in data processing. How would you better define data quality bearing in mind the concepts of Quality Control (QC) and Quality Assurance (QA)?
   a. QC concerns incompleteness of data while QA concerns the correctness of the data. In the case of a survey, quality encompasses either QC or QA.
  
   b. QC concerns incompleteness of data while QA concerns the correctness of the data. In the case of a survey, quality encompasses both.
  
   c. Quality concerns only the validity of numerical data.
  
   d. Quality Assurance is not used in surveys unless the resulting dataset is large.

Explanation / Answer

Answer:b:

QC concerns incompleteness of data while QA concerns the correctness of the data. In the case of a survey, quality encompasses both

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